function l = GridLength(pf)
% vector of sizes of the Pole Figures
%
% Input
%  pf - @PoleFigure
%
% Output
%  l - number of specimen directions per pole figure
%
% See also
% PoleFigure/get

for i = 1:length(pf)
  l(i) = length(pf(i).r); %#ok<AGROW>
end
